int cmd_session_list (int argc, const char *argv[]) {
var *v = api_get ("/session");
if (OPTIONS.json) {
var_dump (v, stdout);
var_free (v);
return 0;
}
printf ("---------------------------------------------"
"-----------------------------------\n");
printf ("Session ID Sender"
" Last Refresh\n");
var *v_session = var_get_array_forkey (v, "session");
var *crsr = v_session->value.arr.first;
while (crsr) {
printf ("%08x-%08x %-39s %s\n",
(uint32_t) (var_get_int_forkey (crsr, "sessid")),
(uint32_t) (var_get_int_forkey (crsr, "addr")),
var_get_str_forkey (crsr, "remote"),
var_get_str_forkey (crsr, "lastcycle"));
crsr = crsr->next;
}
printf ("---------------------------------------------"
"-----------------------------------\n");
var_free (v);
return 0;
}
/** The tenant-list command */
int cmd_tenant_list (int argc, const char *argv[]) {
var *res = api_get ("/");
if (OPTIONS.json) {
var_dump (res, stdout);
}
else {
printf ("UUID Hosts Name\n");
printf ("---------------------------------------------"
"-----------------------------------\n");
var *res_tenant = var_get_array_forkey (res, "tenant");
if (var_get_count (res_tenant)) {
var *crsr = res_tenant->value.arr.first;
while (crsr) {
printf ("%s %5llu %s\n",
var_get_str_forkey (crsr, "id"),
var_get_int_forkey (crsr, "hostcount"),
var_get_str_forkey (crsr, "name"));
crsr = crsr->next;
}
}
printf ("----------------------------------------------"
"----------------------------------\n");
}
var_free (res);
return 0;
}
int cmd_host_overview (int argc, const char *argv[]) {
if (OPTIONS.tenant[0] == 0) {
fprintf (stderr, "%% No tenantid provided\n");
return 1;
}
var *ov = api_get ("/%s/host/overview", OPTIONS.tenant);
if (! var_get_count (ov)) return 0;
printf ("Name Status "
"Load Net i/o CPU\n");
printf ("---------------------------------------------"
"-----------------------------------\n");
var *ov_dict = var_get_dict_forkey (ov, "overview");
if (! var_get_count (ov_dict)) return 0;
var *crsr = ov_dict->value.arr.first;
while (crsr) {
const char *hname = var_get_str_forkey (crsr, "hostname");
if (! hname) hname = "";
char shortname[32];
strncpy (shortname, hname, 31);
shortname[31] = 0;
const char *hstat = var_get_str_forkey (crsr, "status");
if (! hstat ) hstat = "UNSET";
double load = var_get_double_forkey (crsr, "loadavg");
uint64_t netio = var_get_int_forkey (crsr, "net/in_kbs");
netio += var_get_int_forkey (crsr, "net/out_kbs");
double cpu = var_get_double_forkey (crsr, "pcpu");
int rcpu = (cpu+5.0) / 10;
printf ("%-31s %-8s %6.2f %8llu %6.2f %% -[",
shortname, hstat, load, netio, cpu);
for (int i=0; i<10; i++) {
if (i< rcpu) printf ("#");
else printf (" ");
}
printf ("]+\n");
crsr = crsr->next;
}
var_free (ov);
printf ("---------------------------------------------"
"-----------------------------------\n");
return 0;
}
/** The host-list command */
int cmd_host_list (int argc, const char *argv[]) {
if (OPTIONS.tenant[0] == 0) {
fprintf (stderr, "%% No tenantid provided\n");
return 1;
}
const char *unit;
var *apires = api_get ("/%s/host", OPTIONS.tenant);
if (OPTIONS.json) {
var_dump (apires, stdout);
var_free (apires);
return 0;
}
var *v_hosts = var_get_array_forkey (apires, "host");
if (var_get_count (v_hosts)) {
printf ("UUID Size "
"First record Last record\n");
printf ("---------------------------------------------"
"-----------------------------------\n");
var *crsr = v_hosts->value.arr.first;
while (crsr) {
uint64_t usage = var_get_int_forkey (crsr, "usage");
unit = "KB";
usage = usage / 1024;
if (usage > 2048) {
unit = "MB";
usage = usage / 1024;
}
char start[24];
char end[24];
strncpy (start, var_get_str_forkey (crsr, "start"), 23);
strncpy (end, var_get_str_forkey (crsr, "end"), 23);
start[16] = 0;
end[16] = 0;
start[10] = ' ';
end[10] = ' ';
printf ("%s %4llu %s %s %s\n",
var_get_str_forkey (crsr, "id"),
usage, unit, start, end);
crsr = crsr->next;
}
printf ("---------------------------------------------"
"-----------------------------------\n");
}
var_free (apires);
return 0;
}
/** Parse /meter into probes */
int conf_probe (const char *id, var *v, updatetype tp) {
if (tp != UPDATE_ADD) exit (0);
const char *vtp = var_get_str_forkey (v, "type");
const char *call = var_get_str_forkey (v, "call");
int interval = var_get_int_forkey (v, "interval");
probetype t = PROBE_BUILTIN;
if (vtp && call && interval) {
if (strcmp (vtp, "exec") == 0) t = PROBE_EXEC;
else if (strcmp (vtp, "nagios") == 0) t = PROBE_NAGIOS;
if (probelist_add (&APP.probes, t, call, id, interval)) {
return 1;
}
else {
log_error ("Error adding probe-call <%s>", call);
}
}
return 0;
}
int main (int argc, const char *argv[]) {
const char *tstr = NULL;
var *env = var_alloc();
var *env_collector = var_get_dict_forkey (env, "collector");
var *env_colors = var_get_array_forkey (env, "colors");
var_set_int_forkey (env_collector, "listenport", 3333);
var_set_str_forkey (env_collector, "address", "127.0.0.1");
var_set_str_forkey (env_collector, "key", "secret");
var_clear_array (env_colors);
var_add_str (env_colors, "red");
var_add_str (env_colors, "green");
var_add_str (env_colors, "blue");
assert (var_get_int_forkey (env_collector, "listenport") == 3333);
assert (tstr = var_get_str_forkey (env_collector, "address"));
assert (strcmp (tstr, "127.0.0.1") == 0);
assert (tstr = var_get_str_forkey (env_collector, "key"));
assert (strcmp (tstr, "secret") == 0);
assert (var_get_count (env_collector) == 3);
assert (tstr = var_get_str_atindex (env_colors, 0));
assert (strcmp (tstr, "red") == 0);
assert (tstr = var_get_str_atindex (env_colors, 1));
assert (strcmp (tstr, "green") == 0);
assert (tstr = var_get_str_atindex (env_colors, 2));
assert (strcmp (tstr, "blue") == 0);
time_t tnow = time (NULL);
var_set_time_forkey (env, "nowtime", tnow);
assert (var_get_time_forkey (env, "nowtime") == tnow);
var_set_unixtime_forkey (env, "unixtime", tnow);
assert (var_get_time_forkey (env, "unixtime") == tnow);
uuid uuid_in = uuidgen();
var_set_uuid_forkey (env, "myuuid", uuid_in);
uuid uuid_out = var_get_uuid_forkey (env, "myuuid");
assert (uuidcmp (uuid_in, uuid_out));
var_new_generation (env);
var_set_int_forkey (env_collector, "listenport", 3333);
var_set_str_forkey (env_collector, "address", "192.168.1.1");
var_clear_array (env_colors);
var_add_str (env_colors, "red");
var_add_str (env_colors, "green");
var_add_str (env_colors, "blue");
var *lport, *addr, *key;
lport = var_find_key (env_collector, "listenport");
addr = var_find_key (env_collector, "address");
key = var_find_key (env_collector, "key");
assert (lport);
assert (addr);
assert (key);
/* collector.listenport should be unchanged from first generation */
assert (lport->generation == env->generation);
assert (lport->lastmodified < env->generation);
assert (lport->firstseen == lport->lastmodified);
/* collector.addr should be changed this generation */
assert (addr->generation == env->generation);
assert (addr->lastmodified == env->generation);
assert (addr->firstseen == env->firstseen);
/* colors should be changed this generation */
assert (env_colors->generation == env->generation);
assert (env_colors->lastmodified == env->generation);
assert (env_colors->firstseen == env->firstseen);
/* collector.key should be stale */
assert (key->generation < env->generation);
var_clean_generation (env);
/* collector.key should now be deleted */
key = var_find_key (env_collector, "key");
assert (key == NULL);
return 0;
}
/** Daemon main run loop. */
int daemon_main (int argc, const char *argv[]) {
const char *buf;
size_t sz;
if (strcmp (APP.logpath, "@syslog") == 0) {
log_open_syslog ("opticon-agent", APP.loglevel);
}
else {
log_open_file (APP.logpath, APP.loglevel);
}
probelist_start (&APP.probes);
APP.resender = authresender_create (APP.transport);
time_t tlast = time (NULL);
time_t nextslow = tlast + 5;
time_t nextsend = tlast + 10;
time_t lastkeyrotate = 0;
int slowround = 0;
log_info ("Daemonized");
while (1) {
time_t tnow = tlast = time (NULL);
slowround = 0;
/* If a slow round is due at this time, use the excuse to send an
authentication packet */
if (nextslow <= tnow) {
slowround = 1;
uint32_t sid = APP.auth.sessionid;
if (! sid) sid = gen_sessionid();
log_debug ("Authenticating session <%08x>", sid);
APP.auth.sessionid = sid;
APP.auth.serial = 0;
APP.auth.tenantid = APP.tenantid;
APP.auth.hostid = APP.hostid;
/* Only rotate the AES key every half hour */
if (tnow - lastkeyrotate > 1800) {
APP.auth.sessionkey = aeskey_create();
lastkeyrotate = tnow;
}
APP.auth.tenantkey = APP.collectorkey;
/* Dispatch */
ioport *io_authpkt = ioport_wrap_authdata (&APP.auth,
gen_serial());
sz = ioport_read_available (io_authpkt);
buf = ioport_get_buffer (io_authpkt);
outtransport_send (APP.transport, (void*) buf, sz);
authresender_schedule (APP.resender, buf, sz);
ioport_close (io_authpkt);
/* Schedule next slow round */
nextslow = nextslow + 300;
}
log_debug ("Poking probes");
probe *p = APP.probes.first;
time_t wakenext = tnow + 300;
/* Go over the probes to figure out whether we should kick them */
while (p) {
time_t firewhen = p->lastpulse + p->interval;
if (firewhen <= tnow) {
conditional_signal (&p->pulse);
p->lastpulse = tnow;
}
/* Figure out whether the next event for this probe is sooner
than the next wake-up time we determined so far */
if (p->lastpulse + p->interval < wakenext) {
wakenext = p->lastpulse + p->interval;
}
p = p->next;
}
int collected = 0;
int ncollected = 0;
host *h = host_alloc();
var *vnagios = var_alloc();
var *vchkwarn = var_get_array_forkey (vnagios, "chkwarn");
var *vchkalert = var_get_array_forkey (vnagios, "chkalert");
/* If we're in a slow round, we already know we're scheduled. Otherwise,
see if the next scheduled moment for sending a (fast lane) packet
has passed. */
if (slowround || (tnow >= nextsend)) {
h->uuid = APP.hostid;
host_begin_update (h, time (NULL));
if (! slowround) while (nextsend <= tnow) nextsend += 60;
log_debug ("Collecting probes");
/* Go over the probes again, picking up the ones relevant to the
current round being performed */
p = APP.probes.first;
while (p) {
pthread_mutex_lock (&p->vlock);
volatile var *v = p->vcurrent;
/* See if data for this probe has been collected since the last kick */
if (v && (p->lastdispatch <= p->lastreply)) {
/* Filter probes for the current lane */
if ((slowround && p->interval>60) ||
((!slowround) && p->interval<61)) {
log_debug ("Collecting <%s>", p->call);
if (p->type == PROBE_NAGIOS) {
/* Check for alert/warning state and
* summarize before adding to host struct */
int pstatus = var_get_int_forkey ((var*)v, "status");
if (pstatus) {
var *arr;
switch (pstatus) {
case 1:
var_add_str (vchkwarn, p->id);
break;
default:
var_add_str (vchkalert, p->id);
break;
}
collected++;
}
ncollected++;
}
else {
host_import (h, (var *) v);
collected++;
}
p->lastdispatch = tnow;
}
}
else {
if (tnow - p->lastreply > (2*(p->interval))) {
log_warn ("Probe <%s> seems stuck after %i seconds",
p->call, tnow - p->lastreply);
}
}
pthread_mutex_unlock (&p->vlock);
p = p->next;
}
}
/* Add the chk tree with nagios self-checks to the data */
if (ncollected) host_import (h, vnagios);
/* If any data was collected, encode it */
if (collected) {
log_debug ("Encoding probes");
ioport *encoded = ioport_create_buffer (NULL, 4096);
if (! encoded) {
log_warn ("Error creating ioport");
ioport_close (encoded);
host_delete (h);
continue;
}
if (! codec_encode_host (APP.codec, encoded, h)) {
log_warn ("Error encoding host");
ioport_close (encoded);
host_delete (h);
continue;
}
if (APP.dumppath) {
FILE *pktf = fopen (APP.dumppath,"a");
fprintf (pktf, "\n--- %s ---\n\n", slowround?"Slow":"Fast");
ioport *dump = ioport_create_filewriter (pktf);
log_debug ("dump %llx", dump);
codec *jsonc = codec_create_json();
log_debug ("jsonc %llx", jsonc);
codec_encode_host (jsonc, dump, h);
codec_release (jsonc);
ioport_close (dump);
fclose (pktf);
}
log_debug ("Encoded %i bytes", ioport_read_available (encoded));
ioport *wrapped = ioport_wrap_meterdata (APP.auth.sessionid,
gen_serial(),
APP.auth.sessionkey,
encoded);
if (! wrapped) {
log_error ("Error wrapping");
ioport_close (encoded);
host_delete (h);
continue;
}
sz = ioport_read_available (wrapped);
buf = ioport_get_buffer (wrapped);
/* Send it off into space */
outtransport_send (APP.transport, (void*) buf, sz);
log_info ("%s lane packet sent: %i bytes",
slowround ? "Slow":"Fast", sz);
ioport_close (wrapped);
ioport_close (encoded);
}
/* Done with the host object */
host_delete (h);
/* Figure out what the next scheduled wake-up time is */
tnow = time (NULL);
if (nextsend < wakenext) wakenext = nextsend;
if (nextslow < wakenext) wakenext = nextslow;
if (wakenext > tnow) {
log_debug ("Sleeping for %i seconds", (wakenext-tnow));
sleep (wakenext-tnow);
}
}
return 666;
}